[Devel] [PATCH 2/2] parasite: Don't try to start executing syscall from guard page

Cyrill Gorcunov gorcunov at virtuozzo.com
Thu Nov 24 08:16:54 PST 2016


On Thu, Nov 24, 2016 at 07:02:10PM +0300, Pavel Emelyanov wrote:
> On 11/24/2016 06:48 PM, Cyrill Gorcunov wrote:
> > When looking for place where we can do syscall we should care
> > if there a guard page present. So check for it first.
> 
> Have we found a task with executable stack?

Not "stack" in classic meaning, but a special mmap which
kernels treats as a stack and adds guard page. It is our test maps05


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